US7324051B2 - Supplemental parasitic antenna apparatus - Google Patents

Supplemental parasitic antenna apparatus Download PDF

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Publication number
US7324051B2
US7324051B2 US10/963,250 US96325004A US7324051B2 US 7324051 B2 US7324051 B2 US 7324051B2 US 96325004 A US96325004 A US 96325004A US 7324051 B2 US7324051 B2 US 7324051B2
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US
United States
Prior art keywords
antenna
supplemental
antenna assembly
assembly according
parasitic element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related, expires
Application number
US10/963,250
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English (en)
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US20060077103A1 (en
Inventor
Gerard James Hayes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Mobile Communications AB
Original Assignee
Sony Ericsson Mobile Communications AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Ericsson Mobile Communications AB filed Critical Sony Ericsson Mobile Communications AB
Priority to US10/963,250 priority Critical patent/US7324051B2/en
Assigned to SONY ERICSSON MOBILE COMMUNICATIONS AB reassignment SONY ERICSSON MOBILE COMMUNICATIONS AB ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HAYES, GERARD JAMES
Priority to JP2007535667A priority patent/JP2008516524A/ja
Priority to PCT/US2005/013459 priority patent/WO2006043976A1/en
Priority to EP05737891A priority patent/EP1815555A1/en
Priority to CN2005800343797A priority patent/CN101036261B/zh
Publication of US20060077103A1 publication Critical patent/US20060077103A1/en
Application granted granted Critical
Publication of US7324051B2 publication Critical patent/US7324051B2/en
Expired - Fee Related legal-status Critical Current
Adjusted expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
    • H01Q1/2275—Supports; Mounting means by structural association with other equipment or articles used with computer equipment associated to expansion card or bus, e.g. in PCMCIA, PC cards, Wireless USB
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles

Definitions

  • the present invention relates to radio communications apparatus, and more particularly, to radio antenna apparatus.
  • Computing devices such as laptop computers, notebook computers, pocket PCs, personal digital assistants (PDAs), gaming devices, and the like, now commonly possess wireless communications capabilities.
  • PDAs personal digital assistants
  • many laptop and notebook computers now incorporate radio communications circuitry configured to communicate with, for example, WiFi networks and/or public cellular networks.
  • Such circuitry may be integrated in the computer and/or may be provided in a circuit assembly, such as a PC card or a USB adapter, which is plugged into the computer.
  • Similar cards and/or adapters may be used with other electronic devices, such as PDAs and computer peripherals (e.g., printers, scanners, and the like)
  • Such wireless communications circuitry may be configured to connect to an external radio antenna and/or may include an integrated radio antenna.
  • Some PC cards for example, include an external antenna jack to which a rigid antenna and/or an antenna cable may be attached.
  • a number of PC cards are also available which include an internal antenna without an external antenna connection.
  • a GC-79 GPRS/WiFi PCMCIA card 100 marketed by SonyEricsson Mobile Conununications, Inc., includes an internal antenna that is positioned within a housing 110 proximate an end of the card 100 .
  • Many WiFi cards have a similar internal antenna configuration.
  • a supplemental antenna assembly for use with an electronic device having an integral radio antenna, such as a wireless-enabled laptop computer, notebook computer, gaming device, personal digital assistant (PDA), or circuit card, adaptor or other circuit assembly designed be used with such a device.
  • the supplemental antenna assembly includes a parasitic element supported by a frame.
  • the frame is configured to be attached to the housing of the portable device such that an inductive coupling is provided between the parasitic element and the integral radio antenna.
  • the parasitic element may include, for example, an antenna and/or a coupling element, such as a coupling element configured to be connected to an external antenna.
  • the electronic device comprises a wireless communications circuit assembly configured to be installed in a computing device.
  • the wireless communications circuit assembly may be a circuit card, e.g., a PCMCIA or other computer card, having a radio antenna positioned proximate an end of the circuit card that extends from the computing device when installed therein.
  • the frame may be configured to be attached to the circuit card proximate the end thereof.
  • the frame may be configured to envelope at least a portion of the circuit card including the integral radio antenna and/or to be retained in a retaining structure on the circuit card.
  • a supplemental antenna assembly for use with a wireless communications card having an internal radio antenna includes a parasitic element and a frame that supports the parasitic element.
  • the frame is configured to be attached to the wireless communications card proximate the internal radio antenna such that an inductive coupling is provided between the internal radio antenna and the parasitic element.
  • the wireless communications card may comprise a wireless communications PCMCIA card and the frame may be configured to be attached to the PCMCIA card proximate the end of thereof, such that an inductive coupling may be provided between the internal radio antenna and the parasitic element.
  • FIG. 1 illustrates a conventional PCMCIA wireless communications card.
  • FIG. 2 illustrates the conventional PCMCIA wireless communications card installed in a notebook computer.
  • FIGS. 3-11 illustrate supplemental antenna assemblies according to various exemplary embodiments of the present invention.
  • FIG. 3 is a schematic illustration of a supplemental antenna assembly 300 according to some embodiments of the present invention.
  • the assembly 100 includes a parasitic element 320 and a supporting frame 310 configured to attach to a housing 110 of an electronic device 100 including an integral antenna 120 .
  • the electronic device 100 comprises a PCMCIA card configured to be installed in a computer 10
  • the antenna 120 comprises a serpentine conductor positioned near the end of the card 100 .
  • the frame 310 is shown in the form of a substrate, and the parasitic element 320 comprises a serpentine conductor which is supported by the substrate and vertically oriented to provide a dominant vertical polarization, i.e., substantially orthogonal to the substantially horizontal polarization of the integral antenna 120 .
  • the present invention is applicable to other electronic devices and/or other antenna configurations.
  • FIGS. 4 and 5 illustrate a supplemental antenna assembly 400 according to further embodiments of the present invention.
  • the assembly 400 includes a frame or housing 410 that is configured to envelope an end 110 of a PCMCIA circuit card 100 that encloses an integral radio antenna 120 .
  • the assembly 400 further includes an antenna, here shown as a vertically oriented stub antenna 430 , which is parasitically coupled to the integral antenna 120 when the assembly 400 is installed on the card 100 .
  • the assembly 400 includes a coupling element 420 , positioned in the housing 410 , that is configured to inductively (parasitically) couple to the integral antenna 120 of the card when the assembly 400 is installed on the card 100 .
  • the coupling element 420 is conductively coupled to the antenna 430 .
  • the housing 410 may be configured to snap onto or otherwise engage the end 110 of the circuit card 100 to retain the assembly 400 thereon.
  • FIGS. 6 and 7 illustrate a supplemental antenna assembly 600 with an alternative configuration according to further embodiments of the present invention.
  • the assembly 600 includes a housing 610 that is configured to slip into slots 130 positioned proximate an end 110 ′ of a PCMCIA circuit card 100 ′ that houses an integral antenna 120 ′.
  • the housing 610 supports an antenna 630 that is inductively coupled to the antenna 120 ′.
  • the assembly 600 includes a coupling element 620 , positioned in the housing 610 , that is configured to inductively couple to the antenna 120 ′ when the assembly is installed on the card 100 ′, and which is conductively coupled to the antenna 630 .
  • a supplemental antenna assembly may be attached to the housing of an electronic device in ways other than those illustrated in FIGS. 4-7 .
  • a supplemental antenna assembly could be configured to be removably attached to a circuit card or other form factor device using, for example, Velcro®, clips, tabs, screws, threads, or other attachment means.
  • FIG. 8 illustrates a supplemental antenna assembly 800 for use with a circuit card 100 ′′ having an internal antenna 120 ′′ with a different orientation than the internal antennas shown in FIGS. 4-7 .
  • the assembly 800 includes a housing 810 that is configured to envelope an end of the circuit card 100 ′′ proximate the antenna 120 ′′.
  • the housing 810 supports a coupling element 720 in a position such that it may be parasitically coupled to the antenna 120 ′′ when the assembly 800 is in place.
  • the coupling element 720 is conductively coupled to an antenna 830 .
  • FIGS. 10 and 11 illustrate supplemental antenna assemblies 1000 , 1000 ′ configured for use with a wireless communications card 30 inserted in a PDA 20 .
  • the assembly 1000 includes a housing 1010 that envelopes the circuit card 30 and that supports a parasitically coupled antenna 1030 .
  • Such an assembly may be used, for example, when the PDA 20 is being used in a high-blockage environment, such as in an automobile.
  • the assembly 1000 ′ includes a housing 1010 ′ that includes a parasitic coupling element (not shown) that is connected to an external connector 1020 .
  • a freestanding antenna 40 is connected to the connector 1020 by a cable 50 .
  • Such a configuration may be useful, for example, when the PDA 20 is mounted in a fixed position, e.g., inside a vehicle or a building.
  • supplemental parasitic antenna assemblies may be configured to couple to integral radio antennas mounted in the case of a computer or other electronic device, rather than in a removable circuit card or other circuit assembly.
  • supplemental parasitic antennas may be configured for use with other radio devices, such as messaging devices, gaming devices, radiotelephones (e.g., handsets) and/or GPS receivers.
  • Performance of an electronic device may be improved using a supplemental parasitic antenna assembly according to various embodiments of the present invention. For example, improvements in radiation/reception characteristics, such as voltage standing wave ratio (VSWR), gain, and/or directivity, may be achieved using such a supplemental antenna assembly.
  • a supplemental antenna assembly may also be used to provide additional or enhanced operational modes.
  • addition of a supplemental parasitic antenna may modify an internal antenna's existing pattern, such that reception and/or radiation is improved in a frequency range that is relatively attenuated when the parasitic element is absent.
  • an integral antenna of an electronic device is configured to support a given radio application
  • addition of a parasitic element according to some embodiments of the present invention could support an additional or alternative radio application.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)
US10/963,250 2004-10-12 2004-10-12 Supplemental parasitic antenna apparatus Expired - Fee Related US7324051B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US10/963,250 US7324051B2 (en) 2004-10-12 2004-10-12 Supplemental parasitic antenna apparatus
JP2007535667A JP2008516524A (ja) 2004-10-12 2005-04-19 補助パラサイトアンテナ装置
PCT/US2005/013459 WO2006043976A1 (en) 2004-10-12 2005-04-19 Supplemental parasitic antenna apparatus
EP05737891A EP1815555A1 (en) 2004-10-12 2005-04-19 Supplemental parasitic antenna apparatus
CN2005800343797A CN101036261B (zh) 2004-10-12 2005-04-19 补充型寄生天线设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/963,250 US7324051B2 (en) 2004-10-12 2004-10-12 Supplemental parasitic antenna apparatus

Publications (2)

Publication Number Publication Date
US20060077103A1 US20060077103A1 (en) 2006-04-13
US7324051B2 true US7324051B2 (en) 2008-01-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
US10/963,250 Expired - Fee Related US7324051B2 (en) 2004-10-12 2004-10-12 Supplemental parasitic antenna apparatus

Country Status (5)

Country Link
US (1) US7324051B2 (zh)
EP (1) EP1815555A1 (zh)
JP (1) JP2008516524A (zh)
CN (1) CN101036261B (zh)
WO (1) WO2006043976A1 (zh)

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US7952322B2 (en) 2006-01-31 2011-05-31 Mojo Mobility, Inc. Inductive power source and charging system
US8169185B2 (en) 2006-01-31 2012-05-01 Mojo Mobility, Inc. System and method for inductive charging of portable devices
US8890470B2 (en) 2010-06-11 2014-11-18 Mojo Mobility, Inc. System for wireless power transfer that supports interoperability, and multi-pole magnets for use therewith
US9106083B2 (en) 2011-01-18 2015-08-11 Mojo Mobility, Inc. Systems and method for positioning freedom, and support of different voltages, protocols, and power levels in a wireless power system
US9356659B2 (en) 2011-01-18 2016-05-31 Mojo Mobility, Inc. Chargers and methods for wireless power transfer
US9496732B2 (en) 2011-01-18 2016-11-15 Mojo Mobility, Inc. Systems and methods for wireless power transfer
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US9837846B2 (en) 2013-04-12 2017-12-05 Mojo Mobility, Inc. System and method for powering or charging receivers or devices having small surface areas or volumes
US10115520B2 (en) 2011-01-18 2018-10-30 Mojo Mobility, Inc. Systems and method for wireless power transfer
US11201500B2 (en) 2006-01-31 2021-12-14 Mojo Mobility, Inc. Efficiencies and flexibilities in inductive (wireless) charging
US11211975B2 (en) 2008-05-07 2021-12-28 Mojo Mobility, Inc. Contextually aware charging of mobile devices
US11329511B2 (en) 2006-06-01 2022-05-10 Mojo Mobility Inc. Power source, charging system, and inductive receiver for mobile devices
US11336025B2 (en) 2018-02-21 2022-05-17 Pet Technology Limited Antenna arrangement and associated method
US11398747B2 (en) 2011-01-18 2022-07-26 Mojo Mobility, Inc. Inductive powering and/or charging with more than one power level and/or frequency
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US7460076B2 (en) * 2006-06-13 2008-12-02 Sony Ericsson Mobile Communications Ab Mobile wireless communications terminals and wireless communications cards for use with an electronic device
US8456818B2 (en) * 2007-04-27 2013-06-04 Hewlett-Packard Development Company, L.P. Wireless card module
CN101394194B (zh) * 2007-09-18 2012-10-24 纬创资通股份有限公司 具有识别外接天线功能的电子装置及应用外接式天线模块
JP4773472B2 (ja) * 2008-03-17 2011-09-14 株式会社日本自動車部品総合研究所 車載アンテナ装置
JP5351647B2 (ja) * 2009-07-30 2013-11-27 株式会社エヌ・ティ・ティ・ドコモ 補助アンテナ結合器
TWI454068B (zh) 2010-02-09 2014-09-21 Arcadyan Technology Corp 無線網路接收器
CN102158243B (zh) * 2010-02-12 2015-01-21 智易科技股份有限公司 无线网络接收器
ITCR20100022A1 (it) * 2010-07-27 2012-01-28 Elettromagnetic Services S R L Antenna esterna a patch per chiavette internet, con sistema di accoppiamento e.m. in campo vicino tra elemento radiante e chiavetta stessa, utilizzabile con tutti i modelli di usb pen modem ad alta velocita' operanti in modalita' umts/hsdpa.
CN105281012A (zh) * 2015-10-21 2016-01-27 深圳市天鼎微波科技有限公司 利用小天线加长主板的智能穿戴产品天线
US20220223997A1 (en) * 2021-01-13 2022-07-14 Zebra Technologies Corporation User-Installable Wireless Communications Module

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US11462942B2 (en) 2006-01-31 2022-10-04 Mojo Mobility, Inc. Efficiencies and method flexibilities in inductive (wireless) charging
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US8947047B2 (en) 2006-01-31 2015-02-03 Mojo Mobility, Inc. Efficiency and flexibility in inductive charging
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US11329511B2 (en) 2006-06-01 2022-05-10 Mojo Mobility Inc. Power source, charging system, and inductive receiver for mobile devices
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US11283306B2 (en) 2010-06-11 2022-03-22 Mojo Mobility, Inc. Magnet with multiple opposing poles on a surface for use with magnetically sensitive components
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US9112364B2 (en) 2011-01-18 2015-08-18 Mojo Mobility, Inc. Multi-dimensional inductive charger and applications thereof
US9496732B2 (en) 2011-01-18 2016-11-15 Mojo Mobility, Inc. Systems and methods for wireless power transfer
US12046414B2 (en) 2011-01-18 2024-07-23 Mojo Mobility Inc. Powering and/or charging with more than one protocol
US9106083B2 (en) 2011-01-18 2015-08-11 Mojo Mobility, Inc. Systems and method for positioning freedom, and support of different voltages, protocols, and power levels in a wireless power system
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US9112362B2 (en) 2011-01-18 2015-08-18 Mojo Mobility, Inc. Methods for improved transfer efficiency in a multi-dimensional inductive charger
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CN101036261B (zh) 2012-10-10
WO2006043976A1 (en) 2006-04-27
JP2008516524A (ja) 2008-05-15
EP1815555A1 (en) 2007-08-08
CN101036261A (zh) 2007-09-12
US20060077103A1 (en) 2006-04-13

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